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General| Series | 325 II Series |
|---|---|
| Category | Heat Pump |
| Voltage | 208/230V |
| Phase | 1 |
| Refrigerant | R-410A |
Covers warnings, PPE, and safe operation practices.
Details model number breakdown for Rheem, Everhot, Solahart, and AquaMax.
Details technical specifications for storage tanks across different models.
Outlines routine checks for annual servicing of the unit.
Details essential checks and replacements recommended every five years.
Describes the electromechanical device that increases refrigerant pressure.
Explains the heat exchanger's role in transferring heat from refrigerant to water.
Illustrates how power and tank sensors connect to the controller.
Identifies the four independent temperature sensors used in the system.
Explains how the controller manages heat pump and element operation.
Explains green LED for mode and red LED for faults.
Illustrates start-up and standby operational logic.
Introduces the charts for diagnosing various faults.
Shows the wiring connections for the tank components.
Illustrates wiring connections for the heat pump module.
Discusses discoloured and milky water causes and checks.
Details the kit and its components like service power cable and plugs.
Lists faults, chart numbers, and corresponding pages for diagnosis.
Details how to test the four temperature sensors.
Provides resistance values for sensors at different temperatures.
Tests thermostat voltage/resistance and mains plug voltage.
Tests element resistance and suction pressure.
Tests discharge pressure and TX valve operation.
Tests fan/circulator voltage, resistance, and capacitor.
Tests circulator resistance, HP switch, compressor voltage.
Tests compressor winding resistance and capacitor.
Discusses indications of correct, low, or overcharged refrigerant.
Details testing insulation resistance and earth continuity for safety.
Procedures for replacing tank parts like T&PR valve, anode.
Procedures for replacing anode, thermostat, and heating element.
Procedures for replacing the tank sensor.
Procedures for replacing ball valve, check valve, connectors, and tempering valve.
Steps to adjust the tempering valve for correct temperature.
Step-by-step guide to safely remove the heat pump module.
Procedure for removing and refitting the heat pump module outer jacket.
Procedure for removing and replacing the electronic controller.
Procedures for replacing circulator and sensors.
Procedures for replacing LED panel, fan, and heat exchanger outlet sensor.
Safety warnings and personnel qualifications for refrigeration work.
Steps for replacing the filter drier, including refrigerant handling.
Procedures for replacing compressor and HP switch.
Steps for removing and replacing the heat exchanger.
Procedure for replacing the sight glass and filter drier.
Steps to adjust the TX valve for optimal superheat.
Steps for removing and replacing the evaporator coil.
